제출 #948622

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
948622		MilosMilutinovic	코알라 (APIO17_koala)	C++14	74 / 100	45 ms	596 KiB

koala

#include "koala.h"
#include<bits/stdc++.h>

#define pb push_back

using namespace std;

int minValue(int n,int w){
	int a[n],b[n];
	for(int i=0;i<n;i++) a[i]=0;
	a[0]=1;
	playRound(a,b);
	for(int i=0;i<n;i++) if(a[i]>=b[i]) return i;
}

int maxValue(int n,int w){
	vector<int> c;
	for(int i=0;i<n;i++) c.pb(i);
	while((int)c.size()>1){
		int a[n],b[n];
		for(int i=0;i<n;i++) a[i]=0;
		for(int i:c) a[i]=w/(int)c.size();
		playRound(a,b);
		c.clear();
		for(int i=0;i<n;i++) if(b[i]>a[i]&&a[i]>0) c.pb(i);
	}
	return c[0];
}

int greaterValue(int n,int w){
	int low=1,high=min(10,w/2);
	while(low<=high){
		int mid=(low+high)/2;
		int a[n],b[n];
		for(int i=0;i<n;i++) a[i]=0;
		a[0]=a[1]=mid;
		playRound(a,b);
		if(b[0]>mid&&b[1]>mid) low=mid+1;
		else if(b[0]<=mid&&b[1]<=mid) high=mid-1;
		else return (b[0]>mid?0:1);
	}
	return 0;
}

void allValues(int n,int w,int *p){
	if(w==2*n){
		auto cmp=[&](int x,int y){
			int a[n],b[n];
			for(int i=0;i<n;i++) a[i]=0;
			a[x]=a[y]=w/2;
			playRound(a,b);
			return b[x]<b[y];
		};
		function<vector<int>(int,int)> solve=[&](int l,int r){
			if(l==r) return vector<int>(1,l);
			int mid=(l+r)/2;
			vector<int> vl=solve(l,mid);
			vector<int> vr=solve(mid+1,r);
			vector<int> ret;
			int i=0,j=0,x=(int)vl.size(),y=(int)vr.size();
			while(i<x||j<y){
				if(i==x||(j<y&&!cmp(vl[i],vr[j]))) ret.pb(vr[j++]);
				else ret.pb(vl[i++]);
			}
			return ret;
		};
		vector<int> res=solve(0,n-1);
		for(int i=0;i<n;i++) p[res[i]]=i+1;
	}else{
		auto cmp=[&](int x,int y){
			int low=1,high=min(9,w/2);
			while(low<=high){
				int mid=(low+high)/2;
				int a[n],b[n];
				for(int i=0;i<n;i++) a[i]=0;
				a[x]=a[y]=mid;
				playRound(a,b);
				if(b[x]>mid&&b[y]>mid) low=mid+1;
				else if(b[x]<=mid&&b[y]<=mid) high=mid-1;
				else return (b[x]>mid?false:true);
			}
			assert(false);
		};
		function<vector<int>(int,int)> solve=[&](int l,int r){
			if(l==r) return vector<int>(1,l);
			int mid=(l+r)/2;
			vector<int> vl=solve(l,mid);
			vector<int> vr=solve(mid+1,r);
			vector<int> ret;
			int i=0,j=0,x=(int)vl.size(),y=(int)vr.size();
			while(i<x||j<y){
				if(i==x||(j<y&&!cmp(vl[i],vr[j]))) ret.pb(vr[j++]);
				else ret.pb(vl[i++]);
			}
			return ret;
		};
		vector<int> res=solve(0,n-1);
		for(int i=0;i<n;i++) p[res[i]]=i+1;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 18 / 18
• Subtask 4: 10 / 10
• Subtask 5: 27 / 53